Air Traffic Control Airspace Classes Knot 
Pilot Institute
SEPTEMBER 26, 2024
Before entering Class C airspace, pilots must receive clearance from Air Traffic Control (ATC). ATC offers IFR and VFR aircraft separation services in Class C. Only enter Class C after receiving authorization from ATC. Before flying into Class C airspace, a pilot must obtain a clearance from ATC.
Flight Training Central
AUGUST 19, 2024
Fly at or below FAA-authorized altitudes in controlled airspace (Class B, C, D, and surface Class E designated for an airport) only with prior FAA authorization by using LAANC or DroneZone. Fly at or below 400 feet in Class G (uncontrolled) airspace. Maximum speed is 100 mph (87 knots).
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